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Finding the Fourth Proportional to 225,605.69, 338,414.46 and 65,675.17

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Solution

The fourth proportional to 225,605.69, 338,414.46 and 65,675.17 is: 98,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,605.69 : 338,414.46 = 65,675.17 : x
  2. Step 2: Convert to fraction form
    225,605.69/338,414.46 = 65,675.17/x
  3. Step 3: Cross multiply
    225,605.69x = 338,414.46 × 65,675.17
  4. Step 4: Simplify right side
    225,605.69x = 22,225,427,190.96
  5. Step 5: Solve for x
    x = 22,225,427,190.96/225,605.69
  6. Step 6: Final answer
    x = 98,514.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.